Seismic risk assessment of 3A, 4A and 5A scenic spots in China

doi:10.3969/j.issn.1004-9479.2020.03.2019058

Abstract

Abstract:

In China, the frequency of earthquakes is very high and tourist attractions are widely distributed. The occurrence of the earthquake will bring risks to the scenic spots close to the earthquake source, so it is particularly necessary to study the seismic risk assessment of scenic spots in China. The study was conducted on the basis of theoretical research on earthquake and related risks and analysis on the distribution characteristics of 3A, 4A and 5A scenic spots. In this study, the parameter of peak acceleration of ground motion was used to analyze the seismic risk. ArcGIS software was used to overlay the zoning map of peak acceleration of ground motion and the distribution map of China's 3A, 4A and 5A scenic spots to analyze the exposure of the scenic spots. The basic model of risk assessment was used to calculate the seismic risk assessment results of China's 3A, 4A and 5A scenic spots. The results show that from the perspective of various provinces, the earthquake risk level of most scenic spots in China is low, the earthquake risk evel of scenic spots in Jiangsu Province and Gansu Province is higher， and the earthquake risk level of scenic spots in Beijing is highest. According to the assessment results, the seismic risks of the China's 3A, 4A and 5A scenic spots were analyzed from three perspectives, and the corresponding countermeasures were proposed.

Key words: earthquake, scenic spot, risk, risk assessment

摘要：

中国的地震频率高，旅游景区分布广泛，地震的发生常常给震源附近的景区带来风险，景区的地震风险评估研究就尤为必要。在地震及风险相关理论研究和3A级及以上景区分布特征分析的基础上，利用地震动峰值加速度这一参数表征地震危险性，运用ArcGIS软件将地震动峰值加速度区划图和中国3A级及以上景区分布图叠加分析景区的暴露性，并采用风险评估的基本模型计算得到中国3A级及以上景区的地震风险评估结果。最终表明，从各省域的角度看，我国大部分地区的景区地震风险等级较低，江苏省、甘肃省景区地震风险较高，北京市景区地震风险最高。根据评估结果从三个角度分析了3A级及以上景区的地震风险分布态势并有针对性地提出应对策略。

关键词: 地震, 景区, 暴露, 风险评估

Yong SHI, Wenhua WANG, Fei ZHANG, Qian YAO, Jianchao XI, Litian ZHANG, Xuemei BI. Seismic risk assessment of 3A, 4A and 5A scenic spots in China[J]. World Regional Studies, 2020, 29(3): 642-649.

石勇, 王文华, 张飞, 姚前, 席建超, 张丽甜, 毕雪梅. 中国3A级及以上景区地震风险评估[J]. 世界地理研究, 2020, 29(3): 642-649.

Figures/Tables 6

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地震动峰值加速度a_max分区值	地震动峰值加速度a_max范围
0.10g	0.09g<=a_max<0.14g
0.15g	0.14g<=a_max<0.19g
0.20g	0.19g<=a_max<0.28g
0.30g	0.28g<=a_max<0.38g
0.40g	0.38g<=a_max<0.75g

地震动峰值加速度a_max分区值	地震动峰值加速度a_max范围
0.10g	0.09g<=a_max<0.14g
0.15g	0.14g<=a_max<0.19g
0.20g	0.19g<=a_max<0.28g
0.30g	0.28g<=a_max<0.38g
0.40g	0.38g<=a_max<0.75g

景区级别	地震危险等级					总计（处）
景区级别	1	2	3	4	5	总计（处）
3A	111	38	90	8	0	247
4A	179	57	159	8	0	403
5A	16	4	16	1	0	37
总计（处）	306	99	265	17	0	687

景区级别	地震危险等级					总计（处）
景区级别	1	2	3	4	5	总计（处）
3A	111	38	90	8	0	247
4A	179	57	159	8	0	403
5A	16	4	16	1	0	37
总计（处）	306	99	265	17	0	687

省份	各景区价值的风险值	总风险值	省份	各景区价值的风险值	总风险值
河北	1-17，2-82，3-3	102	四川	1-14，2-46，3-0	60
山西	1-0，2-78，3-18	96	云南	1-8，2-22，3-0	30
辽宁	1-12，2-62，3-9	83	陕西	1-4，2-4，3-0	8
黑龙江	1-3，2-0，3-0	3	甘肃	1-21，2-136，3-18	175
吉林	1-1，2-12，3-0	13	青海	1-2，2-20，3-0	22
江苏	1-34，2-112，3-21	167	贵州	0	0
福建	1-1，2-42，3-6	49	上海	1-1，2-38，3-9	48
广东	1-7，2-16，3-0	23	北京	1-48，2-158，3-33	239
浙江	1-6，2-34，3-6	46	天津	1-27，2-60，3-18	105
安徽	1-2，2-6，3-0	8	重庆	0	0
江西	0	0	内蒙古	1-9，2-12，3-0	21
山东	1-67，2-54，3-6	127	西藏	1-2，2-26，3-0	28
河南	1-18，2-68，3-0	86	宁夏	1-8，2-16，3-12	36
湖北	1-2，2-0，3-0	2	新疆	1-23，2-2，3-6	31
湖南	1-5，2-6，3-0	11	广西	1-0，2-10，3-0	10
海南	1-0，2-18，3-15	33